package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import com.itheima.utils.DateUtils;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

//报表操作
@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;

    @Reference
    private SetmealService setmealService;

    @Reference
    private ReportService reportService;

    @RequestMapping("/getMemberReport")
    public Result getMemberReport() throws Exception {
        HashMap<String, Object> map = new HashMap<>();
        List<String> months = new ArrayList<>();

        Calendar calendar = Calendar.getInstance();//获取当前日历对象，是当前时间
        //计算过去一年的12月
        calendar.add(Calendar.MONTH,-12);
        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH,1);
            Date date = calendar.getTime();
            months.add(new SimpleDateFormat("yyyy-MM").format(date));
        }

        map.put("months",months);

        List<Integer> memberCount = memberService.findMemberCountByMonths(months);
        map.put("memberCount",memberCount);

        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,map);
    }



    //根据时间区间查询数据
    @RequestMapping("/findMemberReportByDate")
    public Result findMemberReportByDate(@RequestBody Map mapdate) throws Exception {

        String dateBegin = (String) mapdate.get("dateBegin");
        String dateEnd = (String) mapdate.get("dateEnd");
        SimpleDateFormat sdf  = new SimpleDateFormat("yyyy-MM");
        Calendar c = Calendar.getInstance();
        c.setTime(sdf.parse(dateBegin));
        int year1 = c.get(Calendar.YEAR);
        int month1 = c.get(Calendar.MONTH)+1;

        c.setTime(sdf.parse(dateEnd));
        int year2 = c.get(Calendar.YEAR);
        int month2 = c.get(Calendar.MONTH)+1;

        int result;
        if(year1 == year2) {
            result = month1 - month2;
        } else {
            result = 12*(year1 - year2) + month1 - month2;
        }
        result = Math.abs(result)+1;

        HashMap<String, Object> map = new HashMap<>();
        List<String> months = new ArrayList<>();

        //获取当前日历对象，是当前时间
        //计算过去一年的12月
        c.add(c.MONTH,-result);
        for (int i = 0; i < result; i++) {
            c.add(c.MONTH,1);
            Date date = c.getTime();
            months.add(new SimpleDateFormat("yyyy-MM").format(date));
        }

        map.put("months",months);

        List<Integer> memberCount = memberService.findMemberCountByMonths(months);
        map.put("memberCount",memberCount);

        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,map);
    }

    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() throws Exception {

        Map<String, Object> data = new HashMap<>();

        List<String> setmealNames =new ArrayList<>();

        try{
            List<Map<String,Object>> setmealCount = setmealService.findSetmealCount();

            for (Map<String, Object> map : setmealCount) {
                String name = (String) map.get("name");
                setmealNames.add(name);

            }

            data.put("setmealNames",setmealNames);
            data.put("setmealCount",setmealCount);


            return new Result(true,MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,data);

        }catch (Exception e){
            return new Result(false,MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }

    }


    //运营数据统计
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() throws Exception {
        //使用map封装数据
        HashMap<String, Object> data = reportService.getBusinessReportData();



        return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,data);

    }


    //到处运营数据
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){

        try{
            HashMap<String, Object> result = reportService.getBusinessReportData();
            //去除返回结果数据，准备将报表数据写道Excel
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String filePath = request.getSession().getServletContext().getRealPath("template") + File.separator + "report_template.xlsx";
            //基于提供的excel模板文件在内存中创建一个excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            XSSFSheet sheet = excel.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //使用输出iu进行表格下载基于浏览器作为客户端下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是excel文件
            response.setHeader("content-Disposition","attachment;filename=report.xlsx");//指定文件下载

            excel.write(out);

            out.flush();
            out.close();
            excel.close();

            return null;

        }catch (Exception e){
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }


    //到处运营数据
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response){

        try{
            HashMap<String, Object> result = reportService.getBusinessReportData();
            //去除返回结果数据，准备将报表数据写道Excel
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String filePath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String JasperPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";
            //编译模板
            JasperCompileManager.compileReportToFile(filePath,JasperPath);

            //填充数据
            JasperPrint jasperPrint = JasperFillManager.fillReport(JasperPath, result, new JRBeanCollectionDataSource(hotSetmeal));


            //使用输出iu进行表格下载基于浏览器作为客户端下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");//代表的是excel文件
            response.setHeader("content-Disposition","attachment;filename=report.pdf");//指定文件下载

            JasperExportManager.exportReportToPdfStream(jasperPrint,out);


            out.flush();
            out.close();

            return null;

        }catch (Exception e){
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }

























   /* public static void main(String[] args) throws Exception {
        Calendar calendar = Calendar.getInstance();//获取当前日历对象，是当前时间
        String sj = DateUtils.parseDate2String(calendar.getTime());
        System.out.println(sj);
        //计算过去一年的12月
        calendar.add(Calendar.MONTH,-12);
        Date time = calendar.getTime();
        System.out.println( DateUtils.parseDate2String(time));

        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH,1);
            Date time1 = calendar.getTime();
            System.out.println(DateUtils.parseDate2String(time1));
        }
    } */
   /*public static void main(String[] args) throws Exception {
       String dateBegin="2020-05";
       String dateEnd="2020-07";

       String d1 ="2012-01";
       
       String d2 = "2010-02";
       SimpleDateFormat sdf  = new SimpleDateFormat("yyyy-MM");
       Calendar c = Calendar.getInstance();
       c.setTime(sdf.parse(d1));
       int year1 = c.get(Calendar.YEAR);
       int month1 = c.get(Calendar.MONTH);

       c.setTime(sdf.parse(d2));
       int year2 = c.get(Calendar.YEAR);
       int month2 = c.get(Calendar.MONTH);

       int result;
       if(year1 == year2) {
           result = month1 - month2;
       } else {
           result = 12*(year1 - year2) + month1 - month2;
       }
       System.out.println(result);

   }*/
}
